This code is partly backported from the linux kernel which also uses
some defaults to setup the USB ports.
Signed-off-by: Markus Pargmann <mpa@xxxxxxxxxxxxxx>
---
drivers/usb/imx/imx-usb-misc.c | 44 +++++-------------------------------------
1 file changed, 5 insertions(+), 39 deletions(-)
diff --git a/drivers/usb/imx/imx-usb-misc.c b/drivers/usb/imx/imx-usb-misc.c
index ed44d78b0f7c..0a3d4ac6badb 100644
--- a/drivers/usb/imx/imx-usb-misc.c
+++ b/drivers/usb/imx/imx-usb-misc.c
@@ -51,47 +51,13 @@ static __maybe_unused int mx25_initialize_usb_hw(void __iomem *base, int port, u
switch (port) {
case 0: /* OTG port */
- v &= ~(MX25_OTG_SIC_MASK | MX25_OTG_PM_BIT | MX25_OTG_PP_BIT |
- MX25_OTG_OCPOL_BIT);
- v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX25_OTG_SIC_SHIFT;
-
- if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
- v |= MX25_OTG_PM_BIT;
-
- if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH)
- v |= MX25_OTG_PP_BIT;
-
- if (!(flags & MXC_EHCI_OC_PIN_ACTIVE_LOW))
- v |= MX25_OTG_OCPOL_BIT;
-
+ v &= ~(MX25_OTG_SIC_MASK | MX25_OTG_PP_BIT);
+ v |= (MX25_OTG_PM_BIT | MX25_OTG_OCPOL_BIT);
break;
case 1: /* H1 port */
- v &= ~(MX25_H1_SIC_MASK | MX25_H1_PM_BIT | MX25_H1_PP_BIT |
- MX25_H1_OCPOL_BIT | MX25_H1_TLL_BIT | MX25_H1_USBTE_BIT |
- MX25_H1_IPPUE_DOWN_BIT | MX25_H1_IPPUE_UP_BIT);
- v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX25_H1_SIC_SHIFT;
-
- if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
- v |= MX25_H1_PM_BIT;
-
- if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH)
- v |= MX25_H1_PP_BIT;
-
- if (!(flags & MXC_EHCI_OC_PIN_ACTIVE_LOW))
- v |= MX25_H1_OCPOL_BIT;
-
- if (!(flags & MXC_EHCI_TLL_ENABLED))
- v |= MX25_H1_TLL_BIT;
-
- if (flags & MXC_EHCI_INTERNAL_PHY)
- v |= MX25_H1_USBTE_BIT;
-
- if (flags & MXC_EHCI_IPPUE_DOWN)
- v |= MX25_H1_IPPUE_DOWN_BIT;
-
- if (flags & MXC_EHCI_IPPUE_UP)
- v |= MX25_H1_IPPUE_UP_BIT;
-
+ v &= ~(MX25_H1_SIC_MASK | MX25_H1_PP_BIT | MX25_H1_IPPUE_UP_BIT);
+ v |= (MX25_H1_PM_BIT | MX25_H1_OCPOL_BIT | MX25_H1_TLL_BIT |
+ MX25_H1_USBTE_BIT | MX25_H1_IPPUE_DOWN_BIT);
break;
default:
return -EINVAL;
--
2.0.1
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